US Bridges

Is 68 over Md 658

Fair

Allegany County, Maryland · 0.73 Mile East of Md 53 · Structure no. 100000010106010

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
157 ft
2 main spans
Daily traffic
38,810
2009 count
Owner
State
State Highway Agency

About this bridge

Is 68 over Md 658 is a steel continuous stringer/multi-beam or girder carrying Is 68 over Md 658 in Allegany County, Maryland. It was built in 1968, so it is 57 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 38,810 vehicles a day, roughly 8% of them trucks, projected to reach 42,304 by 2026. The structure is 157 ft (47.9 m) long and 98 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIs 68
CrossesMd 658
Location0.73 Mile East of Md 53
RouteInterstate 68
Coordinates39.63522, -78.84094
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span76 ft (23.2 m)
Deck width98 ft (30 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,810 (2009)
Projected traffic42,304 by 2026
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 68 over Md 658 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Is 68 over Md 658 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Is 68 over Md 658 carry?

About 38,810 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 68 over Md 658?

The structure is 157 ft (47.9 m) long with a longest span of 76 ft (23.2 m) and a deck 98 ft wide.

Who owns Is 68 over Md 658?

It is owned by the State Highway Agency.